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Cheap flights from Ontario to Dublin from C$ 346

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DUB
17 Apr — 24 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Dublin
Explore the most affordable flight options available from Ontario to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 March 2026.

Tue 2/68:45 p.m.
YYZ
-
DUB
1 stop9h 20m
Icelandair
Wed 10/612:15 p.m.
DUB
-
YYZ
1 stop14h 50m
Icelandair
Deal found 15/3C$ 598
Wed 13/511:10 p.m.
YYZ
-
DUB
1 stop30h 55m
Icelandair
Thu 28/52:15 p.m.
DUB
-
YYZ
1 stop9h 55m
Icelandair
Deal found 13/3C$ 601
Mon 1/68:45 p.m.
YYZ
-
DUB
1 stop11h 30m
Icelandair
Fri 5/612:15 p.m.
DUB
-
YYZ
1 stop14h 50m
Icelandair
Deal found 14/3C$ 602
Sat 9/511:00 a.m.
YUL
-
DUB
1 stop19h 30m
Air Transat
Fri 15/51:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 17/3C$ 602
Wed 3/611:10 p.m.
YYZ
-
DUB
1 stop30h 55m
Icelandair
Wed 10/612:15 p.m.
DUB
-
YYZ
1 stop14h 50m
Icelandair
Deal found 16/3C$ 604
Wed 27/58:45 p.m.
YYZ
-
DUB
1 stop11h 30m
Icelandair
Tue 2/62:15 p.m.
DUB
-
YYZ
1 stop9h 55m
Icelandair
Deal found 17/3C$ 609
Sun 7/611:10 p.m.
YYZ
-
DUB
1 stop9h 05m
Icelandair
Thu 11/62:15 p.m.
DUB
-
YYZ
1 stop12h 50m
Icelandair
Deal found 17/3C$ 611
Wed 3/611:10 p.m.
YYZ
-
DUB
1 stop30h 55m
Icelandair
Tue 9/62:15 p.m.
DUB
-
YYZ
1 stop9h 55m
Icelandair
Deal found 17/3C$ 612
Sun 14/68:45 p.m.
YYZ
-
DUB
1 stop11h 30m
Icelandair
Thu 18/62:15 p.m.
DUB
-
YYZ
1 stop12h 50m
Icelandair
Deal found 15/3C$ 613
Mon 25/58:45 p.m.
YYZ
-
DUB
1 stop11h 30m
Icelandair
Mon 1/62:15 p.m.
DUB
-
YYZ
1 stop12h 50m
Icelandair
Deal found 15/3C$ 615
Sun 3/511:00 a.m.
YUL
-
DUB
1 stop19h 30m
Air Transat
Sun 10/51:15 p.m.
DUB
-
YUL
1 stop25h 47m
Air Transat
Deal found 16/3C$ 615
Sun 6/96:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Wed 16/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 17/3C$ 616

Find flight deals from Ontario to Dublin

Keep the following information in mind while searching for Ontario to Dublin flight deals. Data was last updated 18 March 2026.

Round-trip from

C$ 598

One-way from

C$ 346

Popular in

December

Cheapest in

October

Average price

C$ 738

Good round-trip deal

C$ 670 or less

Good one-way deal

C$ 438 or less
Icelandair
  • Icelandair
  • 2/6-10/6
  • 2 total stops
  • 24h 10m total
  • Ontario to Dublin
Search Deals
25/5
  • 25/5
  • 1 total stop
  • 21h 05m total
  • Ontario to Dublin
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Dublin.
Search Deals
Price to beat on a one-way flight from Ontario to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 March 2026.
Use the filters below to find and compare flights from Ontario to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

5:10 p.m.-11:30 a.m.

1 stop13h 20m

Dublin

Wed 24/6

1:15 p.m.-7:32 p.m.

1 stop11h 17m

C$ 650

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

8:35 p.m.-11:30 a.m.

1 stop9h 55m

Dublin

Mon 11/5

1:15 p.m.-7:32 p.m.

1 stop11h 17m

C$ 655

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

8:35 p.m.-11:30 a.m.

1 stop9h 55m

Dublin

Sun 20/9

1:15 p.m.-7:20 p.m.

1 stop11h 05m

C$ 683

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

6:00 p.m.-11:30 a.m.

1 stop12h 30m

Dublin

Tue 22/9

1:15 p.m.-7:32 p.m.

1 stop11h 17m

C$ 683
Quickest round-trip

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Wed 9/9

8:50 p.m.-8:15 a.m.

Nonstop6h 25m

Dublin

Wed 16/9

9:20 a.m.-11:25 a.m.

Nonstop7h 05m

C$ 692

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Tue 9/6

8:45 p.m.-11:05 a.m.

1 stop9h 20m

Dublin

Fri 19/6

12:15 p.m.-10:05 p.m.

1 stop14h 50m

C$ 698

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

6:45 a.m.-11:30 a.m.

1 stop23h 45m

Dublin

Wed 17/6

1:15 p.m.-7:32 p.m.

1 stop11h 17m

C$ 700

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 11/5

6:55 a.m.-8:20 a.m.

2 stops44h 25m

Dublin

Thu 21/5

10:40 a.m.-12:20 a.m.

1 stop18h 40m

C$ 713

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Sat 13/6

8:45 p.m.-8:15 a.m.

Nonstop6h 30m

Dublin

Sun 21/6

9:20 a.m.-11:25 a.m.

Nonstop7h 05m

C$ 713

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Wed 3/6

6:12 p.m.-10:00 a.m.

1 stop10h 48m

Dublin

Wed 10/6

5:55 a.m.-5:24 p.m.

2 stops16h 29m

C$ 756

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Dublin

What is the cheapest month to book a flight from Region of Ontario to Dublin?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Dublin (average of C$ 386). Flying from Region of Ontario to Dublin in December is currently the most expensive (average of C$ 609). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to DUB?

Find hourly flight availability from Ontario to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Dublin as you normally would.

Weekly flight availability from Region of Ontario to Dublin

Explore weekly flight availability from Ontario to Dublin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 March 2026.

The most flights from CAON to DUB are scheduled on a Tuesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

Find useful and relevant information for your journey from Ontario to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Ontario?

    Located just 9.2 km from the city centre, Dublin (DUB) is the airport most travelers will use when flying to Dublin from Ontario.

  • How long is the flight from Region of Ontario to Dublin?

    Porter Airlines, Air Transat, and Lufthansa can get you from Region of Ontario to Dublin in just under 6h 25m. Your travel time can differ by up to 6h 55m. Airlines will cover a distance of 5258 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Region of Ontario to Dublin one-way?

    To fly one-way, consider booking your trip with Air Transat, which is currently one of the cheapest options available, starting at C$ 215. WestJet flights start at C$ 217 while deals on Porter Airlines start at C$ 226 one-way.

  • What are the most popular routes from Region of Ontario to Dublin?

    The most popular flight routes from Region of Ontario to Dublin are Toronto Pearson Intl - Dublin, Montreal Pierre Elliott Trudeau Intl - Dublin and Toronto Island - Dublin.

  • What are the most reliable airlines from Region of Ontario to Dublin?

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Dublin consider choosing WestJet (83%), American Airlines (77%) or Aer Lingus (77%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Region of Ontario to Dublin?

    The cheapest flight price from Region of Ontario to Dublin is C$ 332. On average you can expect to pay C$ 1,089. The most popular route, (Toronto Pearson Intl - Dublin), can usually be booked for C$ 585.

  • Can I find deals for flights from Ontario to Dublin that include hotel bookings?

    Yes. In addition to deals on Ontario to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Dublin.

  • Can I find deals for business class flights from Ontario to Dublin?

    Yes. Cheapflights offers flight deals from Ontario to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Dublin?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Dublin (average of C$ 386). Flying from Region of Ontario to Dublin in December is currently the most expensive (average of C$ 609). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 10 airlines flying from Ontario to Dublin

Discover the top 10 airlines that operate flights from Ontario to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 395AverageC$ 722FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 410AverageC$ 676FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapestC$ 509AverageC$ 601FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapestC$ 519AverageC$ 765FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 541AverageC$ 855FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapestC$ 583AverageC$ 696FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 599AverageC$ 849FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 602AverageC$ 906FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 664AverageC$ 826FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapestC$ 672AverageC$ 772FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Dublin?

When you search for this flight from Ontario to Dublin, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Dublin?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Dublin for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Dublin with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Dublin with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Dublin become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Dublin flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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